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The engine gained new 29,000 PSI piezo injectors as well as a completely reworked fuel system which was now powered by the Bosch CP4 pump, that also now supports up to 20% biodiesel mixtures and a urea injection (to reduce nitrogen oxides) with a 5.3 gallon DEF tank. This engine has a fuel injector in the exhaust tract, to allow raw fuel ...
Animated cut through diagram of a typical fuel injector (click to see animation) Delphi E1 UI on the Volvo D13A engine Delphi E1 unit injector parts. The basic operation can be described as a sequence of four separate phases: the filling phase, the spill phase, the injection phase, and the pressure reduction phase.
Injection pump for a 12-cylinder diesel engine. An injection pump is the device that pumps fuel into the cylinders of a diesel engine.Traditionally, the injection pump was driven indirectly from the crankshaft by gears, chains or a toothed belt (often the timing belt) that also drives the camshaft.
A sectional diagram of a typical steam boiler feed injector, simplified to show the major parts common to such injectors, showing typical proportions, and using colour and shading to hint at temperature, pressure, and velocity variations in the fluid flows. The SVG was hand coded using a text editor.
The compression ratio of the injector, /, is defined as ratio of the injector's outlet pressure to the inlet pressure of the suction fluid . The entrainment ratio of the injector, W s / W m {\displaystyle W_{s}/W_{m}} , is defined as the amount W s {\displaystyle W_{s}} (in kg/h) of suction fluid that can be entrained and compressed by a given ...
The Duramax I6 engine is a diesel engine available in select models of General Motors light-duty trucks and SUVs.Applications include the Chevrolet Silverado/GMC Sierra 1500, Chevrolet Suburban/GMC Yukon XL, Chevrolet Tahoe/GMC Yukon, and Cadillac Escalade (both short wheelbase and ESV).
The main types of manifold injections systems are multi-point injection and single-point injection. These systems use either a continuous injection or an intermittent injection design. [16] In a continuous injection system, fuel flows at all times from the fuel injectors, but at a variable flow rate.
The injectors are spring-loaded active injectors, actuated by a modulator-controlled electromagnet. Pulse-width modulation is used to change the amount of injected fuel: since the injection pressure is constant, the fuel amount can only be changed by increasing or decreasing the injection pulse duration.